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fra81Moderator
Hi,
is that the home dir of the same user who owns the desktop?
What is the desktop environment (Gnome, KDE…) in use and version?
Does ‘/usr/NX/bin/nxserver –eglcapture no’ help to solve the crashes? I forgot to say that you need to logout and login again, or reboot the host, to make this change effective.
October 11, 2024 at 11:45 in reply to: After upgrade to Ubuntu 24.04.1 LTS players immediately disconnects #50133fra81Moderatorwhile the test package is being prepared, can you tell about the GPU model and drivers version?
It could also be useful to know about the GL/EGL version. To do that, you can run these commands in a terminal on the server:
glxinfo | grep "OpenGL version" eglinfo | grep "EGL version"
Before that, you may need to install ‘mesa-utils’ package providing the glxinfo command.
Please also try to add this line into the /usr/NX/etc/node.cfg file on the server:
WaylandModes drm,egl,compositor
Then restart the NoMachine server. This will make an alternative capture method (“drm”) be used before the default one (“egl”). Does this workaround help?
fra81ModeratorHi Detlef,
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000000000000000 in ?? ()
[Current thread is 1 (Thread 0x78f22be006c0 (LWP 461301))]
(gdb)When you get to that point in gdb, please type the ‘bt’ command and show us the output.
“Enable hardware accelerated decoding” false or disabled do not change anything.
Did you change the key to ‘disabled’ after quitting the NoMachine player? Here are more details on how to set it: https://kb.nomachine.com/AR07U01202. Please make sure it is set to ‘disabled’ rather than ‘false’.
fra81ModeratorHi,
this problem has never been experienced in our labs or even reported. As a quick try, please add this line to the
‘/usr/NX/etc/node.cfg’ file on the host (server) machine:DisplayServerExtraOptions "-eventdelay 0"
Then restart the NoMachine server. Does it help?
fra81ModeratorUnfortunately we can’t reproduce even by following those steps, but we will try on another system. In the meanwhile, are you using Wayland as a display server on that Fedora? Can you try to disable it (switch to Xorg)?
fra81ModeratorHi,
we can’t reproduce this issue in our labs, so we would need some more info from you.
1) You say you weren’t experiencing the problem before updating. Do you mean updating the client or the server?
2) As I understand, both clients run on ARM architecture. Would it be possible to try a different client? And, if using the same two clients, do you have the possibility to connect to a different server machine and check whether the issue is present also there?
3) What is the model of your Mac?
4) Can you please try to rename this library on the server:
sudo mv /Applications/NoMachine.app/Contents/Frameworks/lib/libnxsck.dylib /Applications/NoMachine.app/Contents/Frameworks/lib/libnxsck.dylib-bak
and restart the NoMachine server? Does it help?
5) May you send us the logs from the server? See https://kb.nomachine.com/DT07S00243. You can send them to forum[at]nomachine[dot]com.
fra81ModeratorHi,
this is the first time a similar issue has been reported, so we want to try and reproduce it in our lab. What is the Linux distribution and version you are using? What desktop environment?
Please also compress the nxegl log directory ($HOME/.nx/nxegl) and send us. You can attach the archive here or send to forum[at]nomachine[dot]com.
Is this library needed for client-only use of NoMachine? (e.g. I won’t ever be connecting to this Linux machine, only from this Linux machine to other Windows/macOSes).
It isn’t. You can disable the loading of this library with this command:
sudo /usr/NX/bin/nxserver --eglcapture no
fra81ModeratorHi akevinge,
those logs are not relevant indeed.
In virtual desktops software rendering is normally used and it seems like the software renderer provided by the video drivers is broken. Did you install proprietary drivers on the server? Can you try to update or uninstall them? Or, if not installed already, can you try to install them?
Other possible workarounds are:
– enabling VirtualGL for 3D rendering support (https://kb.nomachine.com/AR05P00982)
– using a different desktop environment (https://kb.nomachine.com/AR04K00667)
fra81ModeratorHi,
so please try this other workaround. Open the Keyboard Viewer on the Mac, then click on the three dots and select Customize. Click on Add panel and select the ‘ANSI (Large)’ panel, so that you will have the numeric key pad on the Keyboard Viewer, including the NumLock button (normally labelled with an X sign). Now you can activate the NumLock locally on the Keyboard Viewer and from now on you should be able to use the numeric key pad of the physical keyboard.
fra81ModeratorHi,
it seems that the X11 agent is not detecting correctly the actual XKB rules settings. In fact, xfree86 rules are used in the xrdp session, which are obsolete, instead of the evdev rules, that are now generally used. We will fix that in one of the next updates, but for now, as a workaround, running this command in the xrdp session should do the trick:
setxkbmap -rules evdev
fra81ModeratorHi, would you try this workaround?
1.
$ cd /usr/NX/lib
2.$ sudo mv libvpl.so libvpl.so.ori
3.$ find / -name "libvpl.so*"
4a. If ‘libvpl.so’ (the exact name, without suffixes) is found in the system by the previous command, then skip to step 7 to restart the server
4b. If the libvpl library is found with a slightly different name like ‘libvpl.so.2′ or similar, then proceed to step 5 to create a symlink
5.$ cd <directory_where_is_libvpl.so.2>
6.$ sudo ln -s libvpl.so.2 libvpl.so
7.$ /usr/NX/bin/nxserver --restart
fra81Moderator@LittleWoods, what is your KDE Plasma version?
fra81ModeratorHi,
did you also check the content of the
/usr/libexec/plasma-dbus-run-session-if-needed
script?Besides, you can try the following steps:
1. Create the
/etc/xdg/plasma-workspace/env
directory2. Place a
nx-surceenv.sh
script in it containing only this line:export LD_PRELOAD=/usr/NX/lib/libnxegl.so
3. Reboot
4. Make sure the libnxegl library is preloaded (the output of the
sudo netstat -anlp | grep egl
command shouldn’t be empty)Let us know the results 😉
fra81Moderatorplease show the content of the ‘/usr/libexec/plasma-dbus-run-session-if-needed’ script. Note that this file could be in a different path, so you can use the ‘locate’ command to find it.
Also show the output of:
ls -l /etc/xdg/plasma-workspace/env
fra81ModeratorHi,
do you mean that the 1280×1024 monitor is “physically” attached to the Mac mini and turned on? Or do you mean that the 1280×1024 monitor is it what you see in the system settings but no real monitor is actually plugged in?
To investigate further we would need to see the logs. You can gather both server and client side logs by following the instructions in https://kb.nomachine.com/DT07S00243. You can send them to forum[at]nomachine[dot]com, by referencing this topic.
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